- Shannon Airport is an international airport located in Shannon, County Clare, Ireland. It is one of Ireland's three main airports, along with Dublin and Cork airports. Shannon Airport has a long history, being one of the world's first transatlantic airports and the first airport in Europe to offer duty-free shopping. Today, it serves as a gateway to the west coast of Ireland and offers flights to various destinations in Europe, North America, and the Middle East. The airport has modern facilities and amenities, including restaurants, shops, car rental services, and hotels nearby. It also has a pre-clearance service for US-bound passengers, allowing them to complete immigration and customs checks before departure. Shannon Airport is an important transportation hub for both leisure and business travelers visiting Ireland.